73 строки
2.5 KiB
C
73 строки
2.5 KiB
C
/*
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* Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Create static mapping between physical to virtual memory.
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*/
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <asm/mach/map.h>
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#include <mach/hardware.h>
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#include <mach/common.h>
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#include <mach/iomux-v3.h>
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#include <mach/irqs.h>
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/*
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* Define the MX50 memory map.
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*/
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static struct map_desc mx50_io_desc[] __initdata = {
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imx_map_entry(MX50, TZIC, MT_DEVICE),
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imx_map_entry(MX50, SPBA0, MT_DEVICE),
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imx_map_entry(MX50, AIPS1, MT_DEVICE),
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imx_map_entry(MX50, AIPS2, MT_DEVICE),
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};
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/*
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* This function initializes the memory map. It is called during the
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* system startup to create static physical to virtual memory mappings
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* for the IO modules.
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*/
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void __init mx50_map_io(void)
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{
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iotable_init(mx50_io_desc, ARRAY_SIZE(mx50_io_desc));
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}
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void __init imx50_init_early(void)
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{
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mxc_set_cpu_type(MXC_CPU_MX50);
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mxc_iomux_v3_init(MX50_IO_ADDRESS(MX50_IOMUXC_BASE_ADDR));
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mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR));
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}
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void __init mx50_init_irq(void)
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{
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tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR));
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}
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void __init imx50_soc_init(void)
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{
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/* i.mx50 has the i.mx31 type gpio */
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mxc_register_gpio("imx31-gpio", 0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH);
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mxc_register_gpio("imx31-gpio", 1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH);
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mxc_register_gpio("imx31-gpio", 2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH);
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mxc_register_gpio("imx31-gpio", 3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH);
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mxc_register_gpio("imx31-gpio", 4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH);
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mxc_register_gpio("imx31-gpio", 5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH);
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}
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